@article{urbizagástegui alvarado_2002,  volume={31},  ISSN={0100-1965},  url={https://doi.org/10.1590/S0100-19652002000100010},  DOI={10.1590/S0100-19652002000100010},  number={1},  journal={Ciência da Informação},  publisher={IBICT},  author={Urbizagástegui Alvarado, Rubén},  year={2002},  month={Jan},  pages={91–92} }